How to use: You can wear this shirt when you're hiking on the trail or doing water sports. It's suitable for different activities and weather conditions from cool to hot. Just put it on and enjoy your outdoor adventures! Note: Although it has odor - control, it's still a good idea to wash it regularly after heavy use. Maintenance: Wash it in cold water to keep the fabric in good condition. Hang it to dry to speed up the drying process and maintain its shape. Avoid using bleach as it might damage the odor - control feature and the recycled polyester fabric.